Combines with Adya Clarity® to reduce over 250 contaminants including pharmaceuticals, OTC drugs, agricultural chemicals, heavy metals, industrial chemicals, disinfectants, disinfection byproducts, and microorganisms to a concentration less than or equal to NSF/EPA permissible standards.Convenient to use. Just fill the top tank with water and let it filter through.Low maintenance.Long-lasting filters. Replacements last 6 – 12 months.Retains natural minerals for healthier, better-tasting water.Gravity-fed filtration – the same process that occurs in nature.Eco-friendly & cost-effective. Eliminates the money and environmental costs of buying bottled water.Does not require electricity.Portable & compact.